-0.87% is the change from 344 to 341
Calculation steps:
[( 341 - 344 ) ÷ 344] x 100 = -0.87%
Formula
Percentage change = [(341 - 344) / 344] x 100
Subtract the new number by the original number
341 - 344 = -3
-3 ÷ 344 = -0.00872093023255814
-0.00872093023255814 x 100 = -0.87%